First Nautilus File Selection Mockups [For Use With Single Click To Open Files / Folders]

The single-click to open files and folders discussion on the Ayatana mailing list continues. However there is still nothing official about defaulting to single click in Ubuntu 10.10 Maverick Meerkat.
The biggest challenge for using single click in Nautilus file manager is selecting multiple files/folders. Here are the very first mockups regarding this behavior.